CA528639A - Headgear structure - Google Patents
Headgear structureInfo
- Publication number
- CA528639A CA528639A CA528639A CA528639DA CA528639A CA 528639 A CA528639 A CA 528639A CA 528639 A CA528639 A CA 528639A CA 528639D A CA528639D A CA 528639DA CA 528639 A CA528639 A CA 528639A
- Authority
- CA
- Canada
- Prior art keywords
- headgear structure
- headgear
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA528639T |
Publications (1)
Publication Number | Publication Date |
---|---|
CA528639A true CA528639A (en) | 1956-07-31 |
Family
ID=35682380
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA528639A Expired CA528639A (en) | Headgear structure |
Country Status (1)
Country | Link |
---|---|
CA (1) | CA528639A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5083320A (en) * | 1990-12-24 | 1992-01-28 | Athletic Helmet, Inc. | Protective helmet with self-contained air pump |
-
0
- CA CA528639A patent/CA528639A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5083320A (en) * | 1990-12-24 | 1992-01-28 | Athletic Helmet, Inc. | Protective helmet with self-contained air pump |
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